The effect of fault ride-through requirements on voltage dips and post-fault voltage recovery in a Dutch distribution network

P. Karaliolios, E.J. Coster, J.G. Slootweg, W.L. Kling

Research output: Contribution to journalConference articlepeer-review

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Abstract

In this paper the possibility to use Decentralized Generation (DG) units for voltage support in Distribution Networks during and after a Short Circuit (S/C) event is discussed. Two types of DG units will be examined, Combined Heat-Power (CHP) plants and Doubly-Fed Induction Generators (DFIG). Earlier approaches would oblige the disconnection of these units during grid disturbances, in order to avoid unwanted conditions such as interference with the protection system and islanding [1]. Newer grid codes for Transmission Networks like [2], taking into consideration the increased share of these units in energy production have set specific Fault Ride-Through (FRT) criteria which oblige them to stay connected during SC events when they are combined to large plants directly connected to the transmission grid, such as (off shore) wind farms.. If ever more DG is connected directly to distribution grids, the same reasoning leading to applying rault ride through criteria to DG connected in large groups to transmission grids, may be applied to DG connected to distribution grids, as a loss of a a large amount of DG connected to distribution grids has the same adverse effect as using DG connected directly to the transmission grid.
Original languageEnglish
Pages (from-to)599-604
JournalRenewable Energy & Power Quality Journal
Volume1
Issue number8
DOIs
Publication statusPublished - 1 Apr 2010

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